Folliculitis, caused by bacterial or fungal infections, is inflammation of your hair follicles ... features small areas of raised, red or white bumps. The fluid-filled bumps can crust over ...

At the base of the freshly emptied follicle, cells multiply ... Consider your stressors. Large amounts of hair falling out ...

Hair follicle cells, donated from the arm of a male scientist, were implanted into the arm of a female scientist. A few weeks later, she grew large, thick, dark hairs -- unlike her own -- in the ...